1407872 has 32 divisors (see below), whose sum is σ = 2974320. Its totient is φ = 661504.

The previous prime is 1407869. The next prime is 1407877. The reversal of 1407872 is 2787041.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1407877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1853 + ... + 2499.

2^1407872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1407872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1487160).

1407872 is an abundant number, since it is smaller than the sum of its proper divisors (1566448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1407872 is an equidigital number, since it uses as much as digits as its factorization.

1407872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678 (or 666 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 1407872 is about 1186.5378207204. The cubic root of 1407872 is about 112.0781767120.

The spelling of 1407872 in words is "one million, four hundred seven thousand, eight hundred seventy-two".